@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&family=Montserrat:wght@400;500;600;700&display=swap');

:root {
  --black: #050505;
  --deep-black: #080808;
  --charcoal: #101010;
  --charcoal-2: #161616;
  --charcoal-3: #1c1c1c;

  --gold: #c6a15b;
  --gold-light: #dfc27a;
  --gold-dark: #9d7838;

  --white: #f3f0e8;
  --cream: #ddd8cc;
  --muted: #9d9a91;
  --dark-muted: #706e68;

  --border: rgba(198, 161, 91, 0.28);

  --max-width: 1160px;
}

/* =========================
   RESET
========================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
  background: var(--black);
}

body {
  margin: 0;
  padding: 0;
  background: var(--black);
  color: var(--white);
  font-family: "Montserrat", Arial, Helvetica, sans-serif;
  font-size: 14px;
  line-height: 1.7;
}

body,
main,
section,
header,
footer,
div,
article,
form {
  background-color: transparent;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font-family: "Montserrat", Arial, Helvetica, sans-serif;
}

/* =========================
   TYPOGRAPHY
========================= */

h1,
h2,
h3,
h4 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
}

p {
  font-weight: 400;
}

.container {
  width: min(90%, var(--max-width));
  margin: 0 auto;
}

/* =========================
   SECTIONS
========================= */

.section {
  padding: 90px 0;
  background: var(--black);
}

.section-dark {
  background: var(--charcoal);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-label {
  display: block;
  margin-bottom: 12px;

  color: var(--gold-light);

  font-family: "Montserrat", Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;

  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;

  color: var(--white);

  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(40px, 5vw, 62px);
  font-weight: 600;
  line-height: 0.98;

  letter-spacing: -0.02em;
}

.section-heading p {
  max-width: 690px;
  margin: 18px 0 0;

  color: var(--muted);

  font-family: "Montserrat", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.8;
}

/* =========================
   HEADER
========================= */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;

  z-index: 1000;

  background: rgba(5, 5, 5, 0.97);

  border-bottom: 1px solid rgba(198, 161, 91, 0.18);

  backdrop-filter: blur(12px);
}

.nav-wrap {
  min-height: 72px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 25px;
}

.brand {
  display: flex;
  align-items: center;

  flex-shrink: 0;
}

.site-logo {
  width: 108px;
  height: auto;
}

/* =========================
   NAVIGATION
========================= */

.main-nav {
  display: flex;
  align-items: center;

  gap: 2px;
}

.main-nav > a,
.dropdown-toggle {
  display: inline-flex;
  align-items: center;

  padding: 9px 11px;

  color: #d8d3c8;

  background: transparent;
  border: 0;

  cursor: pointer;

  font-family: "Montserrat", Arial, sans-serif;
  font-size: 10px;
  font-weight: 600;

  letter-spacing: 0.12em;
  text-transform: uppercase;

  transition: color 0.2s ease;
}

.main-nav > a:hover,
.dropdown-toggle:hover,
.dropdown-toggle:focus {
  color: var(--gold-light);
}

.dropdown-toggle span {
  margin-left: 6px;
  color: var(--gold);
}

.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;

  top: calc(100% + 8px);
  left: 0;

  width: 225px;

  padding: 7px;

  background: #090909;

  border: 1px solid var(--border);

  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transform: translateY(6px);

  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s ease;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;

  transform: translateY(0);
}

.dropdown-menu a {
  display: block;

  padding: 10px 12px;

  color: #c8c3b9;

  font-size: 10px;
  font-weight: 500;

  letter-spacing: 0.04em;
}

.dropdown-menu a:hover {
  color: var(--gold-light);

  background: #171717;
}

.menu-toggle {
  display: none;

  padding: 8px 12px;

  color: var(--gold-light);

  background: transparent;

  border: 1px solid var(--border);

  font-size: 10px;
  letter-spacing: 0.1em;
}

/* =========================
   HERO
========================= */

.hero {
  position: relative;

  min-height: 760px;

  display: flex;
  align-items: center;

  overflow: hidden;

  background:
    linear-gradient(
      90deg,
      rgba(5, 5, 5, 0.98) 0%,
      rgba(5, 5, 5, 0.91) 42%,
      rgba(5, 5, 5, 0.55) 100%
    ),
    url("../assets/investment-africa.png");

  background-size: cover;
  background-position: center;
}

.hero-content {
  position: relative;
  z-index: 2;

  max-width: 760px;

  padding-top: 72px;
}

.eyebrow {
  margin-bottom: 18px;

  color: var(--gold-light);

  font-size: 10px;
  font-weight: 700;

  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;

  color: var(--white);

  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(58px, 7vw, 88px);
  font-weight: 600;

  line-height: 0.88;

  letter-spacing: -0.035em;
}

.hero h1 span {
  color: var(--gold-light);
}

.hero-lead {
  max-width: 630px;

  margin: 28px 0 30px;

  color: #d2cec4;

  font-size: 15px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;

  gap: 12px;
}

/* =========================
   BUTTONS
========================= */

.btn {
  display: inline-flex;

  align-items: center;
  justify-content: center;

  min-height: 45px;

  padding: 11px 19px;

  border: 1px solid var(--gold);

  font-size: 9px;
  font-weight: 700;

  letter-spacing: 0.15em;

  text-transform: uppercase;

  transition: all 0.2s ease;
}

.btn-gold {
  color: #080808;

  background: var(--gold);
}

.btn-gold:hover {
  color: #080808;

  background: var(--gold-light);

  border-color: var(--gold-light);

  transform: translateY(-2px);
}

.btn-outline {
  color: var(--white);

  background: transparent;
}

.btn-outline:hover {
  color: var(--gold-light);

  background: rgba(198, 161, 91, 0.07);

  transform: translateY(-2px);
}

/* =========================
   TRUST STRIP
========================= */

.trust-strip {
  background: var(--gold);
  color: #080808;
}

.trust-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);
}

.trust-item {
  padding: 19px 22px;

  border-right: 1px solid rgba(0, 0, 0, 0.22);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-item strong {
  display: block;

  margin-bottom: 3px;

  font-size: 9px;

  letter-spacing: 0.13em;

  text-transform: uppercase;
}

.trust-item span {
  font-size: 11px;
}

/* =========================
   SERVICE CARDS
========================= */

.service-grid {
  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 12px;
}

.service-card {
  min-height: 215px;

  padding: 25px;

  background: var(--charcoal-2);

  border: 1px solid #252525;

  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);

  border-color: var(--gold);
}

.service-number {
  color: var(--gold);

  font-size: 10px;
  font-weight: 700;

  letter-spacing: 0.15em;
}

.service-card h3 {
  margin: 27px 0 10px;

  color: var(--white);

  font-size: 25px;
  line-height: 1.0;

  text-transform: uppercase;
}

.service-card p {
  margin: 0;

  color: var(--muted);

  font-size: 12px;
  line-height: 1.75;
}

/* =========================
   FEATURE
========================= */

.feature-grid {
  display: grid;

  grid-template-columns: 0.88fr 1.12fr;

  gap: 65px;

  align-items: center;
}

.feature-image {
  width: 100%;

  max-width: 500px;

  overflow: hidden;

  border: 1px solid #2b2b2b;
}

.feature-image img {
  width: 100%;

  height: 360px;

  object-fit: cover;
}

.feature-copy h2 {
  margin: 0 0 18px;

  color: var(--white);

  font-family: "Cormorant Garamond", Georgia, serif;

  font-size: clamp(42px, 4.5vw, 58px);

  line-height: 0.95;
}

.feature-copy p {
  margin: 0 0 16px;

  color: var(--muted);

  font-size: 13px;

  line-height: 1.8;
}

.feature-points {
  margin: 23px 0 0;
  padding: 0;

  list-style: none;
}

.feature-points li {
  position: relative;

  padding: 9px 0 9px 21px;

  border-bottom: 1px solid #292929;

  color: #d1ccc1;

  font-size: 12px;
}

.feature-points li::before {
  content: "◆";

  position: absolute;

  left: 0;
  top: 10px;

  color: var(--gold);

  font-size: 6px;
}

/* =========================
   PROCESS
========================= */

.process-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 16px;
}

.process-card {
  overflow: hidden;

  background: var(--charcoal-2);

  border: 1px solid #272727;
}

.process-card img {
  width: 100%;

  height: 175px;

  object-fit: cover;
}

.process-content {
  padding: 21px;
}

.process-content span {
  color: var(--gold);

  font-size: 9px;
  font-weight: 700;

  letter-spacing: 0.15em;
}

.process-content h3 {
  margin: 8px 0;

  color: var(--white);

  font-size: 25px;

  line-height: 1;

  text-transform: uppercase;
}

.process-content p {
  margin: 0;

  color: var(--muted);

  font-size: 11px;

  line-height: 1.7;
}

/* =========================
   INVESTMENT
========================= */

.investment-section {
  background:
    linear-gradient(
      rgba(8, 8, 8, 0.98),
      rgba(8, 8, 8, 0.98)
    );
}

.investment-content {
  max-width: 820px;
}

.investment-content h2 {
  margin: 0;

  color: var(--white);

  font-size: clamp(44px, 5vw, 65px);

  line-height: 0.95;
}

.investment-content p {
  max-width: 710px;

  margin: 20px 0 27px;

  color: var(--muted);

  font-size: 14px;

  line-height: 1.8;
}

.investment-points {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 0 35px;

  margin: 22px 0 30px;
}

.investment-point {
  padding: 12px 0;

  border-bottom: 1px solid #2b2b2b;

  color: #d2cdc2;

  font-size: 11px;
}

/* =========================
   MINING
========================= */

.mining-grid {
  display: block;
}

.mining-large {
  position: relative;

  max-width: 920px;

  height: 390px;

  margin: 0 auto;

  overflow: hidden;

  border: 1px solid #292929;
}

.mining-large img {
  width: 100%;
  height: 100%;

  object-fit: cover;
}

.mining-overlay {
  position: absolute;

  right: 0;
  bottom: 0;
  left: 0;

  padding: 60px 30px 25px;

  background:
    linear-gradient(
      transparent,
      rgba(0, 0, 0, 0.94)
    );
}

.mining-overlay h3 {
  margin: 0 0 5px;

  color: var(--white);

  font-size: 30px;

  line-height: 1;

  text-transform: uppercase;
}

.mining-overlay p {
  margin: 0;

  color: #d0cbc0;

  font-size: 11px;
}

.mining-side {
  display: none;
}

.mining-small {
  display: none;
}

/* =========================
   ABOUT
========================= */

.about-grid {
  display: grid;

  grid-template-columns: 0.62fr 1.38fr;

  gap: 65px;

  align-items: center;
}

.about-photo {
  position: relative;
  max-width: 350px;
  padding: 0 12px 12px 0;
  box-sizing: border-box;
}

.about-photo::after {
  content: "";
  position: absolute;
  left: 12px;
  bottom: 0;
  width: calc(100% - 12px);
  height: calc(100% - 12px);
  border: 1px solid var(--gold);
  z-index: 0;
  box-sizing: border-box;
}

.about-photo img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-height: 470px;
  object-fit: contain;
  background: #111;
}


.about-copy h2 {
  margin: 0 0 18px;

  color: var(--white);

  font-size: clamp(42px, 4.5vw, 58px);

  line-height: 0.95;
}

.about-copy p {
  margin: 0 0 14px;

  color: var(--muted);

  font-size: 13px;

  line-height: 1.8;
}

.about-signature {
  margin-top: 23px;

  padding-top: 17px;

  border-top: 1px solid #292929;
}

.about-signature strong {
  display: block;

  color: var(--gold-light);

  font-family: "Cormorant Garamond", Georgia, serif;

  font-size: 23px;
}

.about-signature span {
  color: #8d8a83;

  font-size: 9px;

  letter-spacing: 0.08em;

  text-transform: uppercase;
}

/* =========================
   SECTORS
========================= */

.sector-grid {
  display: grid;

  grid-template-columns: repeat(5, 1fr);

  gap: 8px;
}

.sector-card {
  min-height: 115px;

  padding: 20px 15px;

  display: flex;
  align-items: flex-end;

  background: var(--charcoal-2);

  border: 1px solid #292929;
}

.sector-card span {
  color: var(--white);

  font-size: 10px;
  font-weight: 700;

  line-height: 1.35;

  letter-spacing: 0.04em;

  text-transform: uppercase;
}

/* =========================
   CTA
========================= */

.cta-section {
  background: var(--gold);
  color: #080808;
}

.cta-grid {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 18px;
}

.cta-card {
  padding: 35px;

  border: 1px solid rgba(0, 0, 0, 0.3);
}

.cta-card h3 {
  margin: 0 0 9px;

  color: #080808;

  font-size: 32px;

  line-height: 1;
}

.cta-card p {
  max-width: 480px;

  margin: 0 0 20px;

  color: #1a1a1a;

  font-size: 12px;
}

.cta-card .btn {
  color: #080808;

  border-color: #080808;
}

/* =========================
   CONTACT
========================= */

.contact-grid {
  display: grid;

  grid-template-columns: 0.8fr 1.2fr;

  gap: 60px;

  align-items: start;
}

.contact-details h2 {
  margin: 0 0 17px;

  color: var(--white);

  font-size: clamp(44px, 5vw, 62px);

  line-height: 0.9;
}

.contact-details > p {
  color: var(--muted);

  font-size: 13px;

  line-height: 1.8;
}

.contact-detail {
  margin-top: 22px;
}

.contact-detail strong {
  display: block;

  margin-bottom: 3px;

  color: var(--gold-light);

  font-size: 9px;

  letter-spacing: 0.15em;

  text-transform: uppercase;
}

.contact-detail a {
  color: #e8e3d9;

  font-size: 12px;
}

.contact-detail a:hover {
  color: var(--gold-light);
}

/* =========================
   FORM
========================= */

.contact-form {
  padding: 28px;

  background: var(--charcoal-2);

  border: 1px solid #2b2b2b;
}

.form-row {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 13px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;

  margin-bottom: 5px;

  color: #bbb6ac;

  font-size: 9px;
  font-weight: 600;

  letter-spacing: 0.1em;

  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;

  padding: 11px 12px;

  color: var(--white);

  background: #080808;

  border: 1px solid #343434;

  border-radius: 0;

  outline: none;

  font-size: 11px;

  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #66635d;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  color: var(--white);

  border-color: var(--gold);
  outline: none;

  box-shadow: 0 0 0 1px rgba(198, 161, 91, 0.12);
}

.form-group select {
  color: #d8d2c7;

  background-color: #080808;
}

.form-group select option {
  color: #e8e2d8;

  background: #101010;
}

.form-group textarea {
  min-height: 125px;

  resize: vertical;
}

/* =========================
   FOOTER
========================= */

.site-footer {
  padding: 24px 0;

  background: #030303;

  border-top: 1px solid #1e1e1e;
}

.footer-inner {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 20px;
}

.footer-inner p {
  margin: 0;

  color: #66635d;

  font-size: 9px;
}

.footer-tagline {
  color: var(--gold);

  font-size: 9px;

  font-weight: 600;

  letter-spacing: 0.14em;

  text-transform: uppercase;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1000px) {

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;

    gap: 40px;
  }

  .about-photo {
    max-width: 320px;
  }

  .sector-grid {
    grid-template-columns: repeat(3, 1fr);
  }

}

@media (max-width: 780px) {

  .nav-wrap {
    min-height: 66px;
  }

  .site-logo {
    width: 92px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;

    top: 66px;
    left: 0;
    right: 0;

    display: none;

    padding: 12px 5%;

    background: #080808;

    border-bottom: 1px solid var(--border);

    flex-direction: column;

    align-items: stretch;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav > a,
  .dropdown-toggle {
    width: 100%;

    justify-content: space-between;

    padding: 11px 4px;
  }

  .dropdown-menu {
    position: static;

    width: 100%;

    display: none;

    padding: 0 0 6px 13px;

    background: transparent;

    border: 0;

    box-shadow: none;

    opacity: 1;

    visibility: visible;

    pointer-events: auto;

    transform: none;
  }

  .nav-dropdown.open .dropdown-menu {
    display: block;
  }

  .hero {
    min-height: 690px;
  }

  .hero-content {
    padding-top: 70px;
  }

  .hero h1 {
    font-size: clamp(54px, 13vw, 74px);
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .trust-item {
    border-right: 0;

    border-bottom: 1px solid rgba(0, 0, 0, 0.18);
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 70px 0;
  }

  .service-grid,
  .process-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .sector-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .investment-points {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .feature-image {
    max-width: 100%;
  }

  .feature-image img {
    height: 300px;
  }

  .mining-large {
    height: 300px;
  }

  .footer-inner {
    flex-direction: column;

    align-items: flex-start;
  }

}

@media (max-width: 480px) {

  .container {
    width: 88%;
  }

  .sector-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;

    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .contact-form,
  .cta-card {
    padding: 22px;
  }

  .about-photo {
    max-width: 280px;
  }

}